diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c
index 0fae33319d2e..f8231e2e84be 100644
--- a/drivers/char/mspec.c
+++ b/drivers/char/mspec.c
@@ -195,10 +195,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma,
 
 	pages = vma_pages(vma);
 	vdata_size = sizeof(struct vma_data) + pages * sizeof(long);
-	if (vdata_size <= PAGE_SIZE)
-		vdata = kzalloc(vdata_size, GFP_KERNEL);
-	else
-		vdata = vzalloc(vdata_size);
+	vdata = kvzalloc(vdata_size, GFP_KERNEL);
 	if (!vdata)
 		return -ENOMEM;